Intensify Nx50

Intensify Nx50
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Device type	Laser diode driver
Control modes	Current control
Status	Prototypes
Electrical
DC supply voltage	11-13 VDC
Output current range	0.1 - 50A × number of stacked boards
Setpoint signals	Analog reference for current control, Digital signals for enable & pulsing
Feedback devices	On-board current & voltage sensing
Protections	Over temperature, under voltage, short circuit, laser diode protection
LD forward voltage	0.8 .. 5.5 VDC
Ripple current (typ @ 50A)	0.2A RMS, 1.25A pk-pk
General
Dimensions	94×77.5×17 mm
Configuration tool	No software tools needed
Web site	Intensify product site

Technical specifications

Power

Property	Value	Units	Remarks
Supply voltage	12 +/- 1	V
Supply current	0.1 - 24	A	Depends on output power
Max output power	275	W	50A @ 5.5V
Output voltage	0.5 - 5.5	V	Determined by laser diode voltage drop
Output current	0 - 50	A	Continuous rating
Efficiency	95	%	Efficiency when Io > 20A and Vo > 5V

Intensify Nx 50 is a stackable constant current laser diode bar driver delivering up to 150A CW current. Parallel capability allows stacking multiple Intensify boards to scale up the power. Intensify is intended for OEM applications such as fiber laser pumping, laser tooling and laser diode burn-in.

Inputs/outputs

Property	Value	Units	Remarks
Current setpoint voltage	0..10	V	0..10 V sets LD current between 0..50 A
Current setpoint input impedance	50k	Ω	Differential input
Current monitor output voltage	0..10	V	0..10 V represents LD current between 0..50 A
Current monitor output impedance	200	Ω
Voltage monitor output voltage	0..5.5	V	Represents LD voltage drop 1:1
Voltage monitor output impedance	200	Ω
Enable input voltage	-0.3..1 V or open circuit = disabled 2.5..13 V = enabled	V	Enable is 3.3V, 5V and 12V logic compatible
Pulse input voltage	-0.3..1 V or open circuit = pulse high 2.5..13 V = pulse low	V	Pulse is 3.3V, 5V and 12V logic compatible. Pulse high outputs current defined by setpoint, pulse low outputs current 0.035*setpoint.
ESD protection	Exceeds ESD Protection to IEC61000-4-2 Level 4, ±12 kV Contact Discharge		All I/O lines

Mechanical & environmental

Property	Value	Units	Remarks
Dimensions	94×77.5×17	mm	W×H×D
Operating temperature range	-40..85	°C	Non condensing. Output rating may derate at high temperature without forced convection
Reliability MTBF	1.5	106 Hrs	Per Bellcore TR-332 50% stress, Tamb = 40 °C

Literature

• Intensify Nx50 setup & user guide
• PDF flyer

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